| Summary: | 碩士 === 國立新竹師範學院 === 數理研究所 === 92 === Abstract
The main purposes of this study include: （1） to investigate grade-3 students’ fundamental abilities of the concepts of the angle, and （2） to evaluate the effects of utilizing the computer-assisted-learning on teaching the concepts. The methodology used in the study composes of questionnaire, semi-structured interview, and equal-sample-post-only design of quasi-experimental research. As a result, we have three kinds of sample： sample for the questionnaire, sample for interview, and the control and treatment groups. The sample for the questionnaire consisted of 57 students from two classes, one for control and the other for the treatment, in Hsin-Chu DaDa elementary school, in which 42 were selected to be interviewees.
Our main findings are: the misconceptions of recognizing an angle, the strategies to estimate the degrees of an angle, the error patterns for angle measurement, the characteristics of drawing a given angle, and finally the computer-assisted-learning can help students having a remarkable progress on learning the concepts.
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